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RNA
1- I- Nucleus II- Cytoplasm III- Ribosome
In which of the above parts of cell is RNA found ?
A) I B) II C) I III D) II III E) I II III
2-One similarity of DNA and RNA molecules in that they both contain
A) Nucleotides B) ATP C) Thymine
D) Deoxyribose E) Double Helix
2- Transfer of genetic information from DNA to mRNA is known as
A) Translation B) Transcription C) Transpiration D) Transformation E) None
3-AAA TTT SSS GGG--------------DNA
Which of the following is the t RNA strand produced from DNA part ?
A) TTT AAA GGG SSS B) UUU AAA GGG SSS
C) UUU TTT GGG SSS D) TTT AAA SSS GGG
E) AAA TTT SSS GGG
5- Which of the following is different in the structure of DNA and RNA ?
A) Phosphoric Acid B) Adenine C) Pentose D) Guanine E) Cytosine
6- mRNA is important in protein synthesis because it
A) Contain 20 Essential Aminoacid
B) Carriase The Message From DNA To Nucleus
C) Carriase The Message From DNA To Ribosome
D) İs Transmitted To The Nucleotides
E) Contains Pyrimidine Base Thymine
8-Which of the following represents the sequence of bases on the mRNA formed from a DNA base sequence of AACATC?
A) AAG ATG B) AAT ATC C) UUG UAG D) TTG TAG E) UUT TUT
9-A combination of phosphate , ribose and a nitrogen base is characteristic of a
A) Carbohydrate B) Lipid C) Protein
D) Nucleotide E) Fatty Acid
10-All nucleotides have
A) Uracil B) Deoxyribose C) Phosphore Groups D) Thymine E) Ribose
11- CUA GUA----------- m RNA Which of the following is the DNA coding strand of the m RNA shown in the figure ?
A) CAT GAT B) CAU GAU C) GUA CUA D) GAT CAT E) GTT CTT
12- If a protein has 100 amino acids, how many RNA codons would be required for translation to occur?
A) 100 B) 33 C) 300 D) 500
13- The synthesis of nucleotides is as follows;
Adenine + Ribose + H3PO4 Adenine nucleotide + 2H2O
Which of the following is unrelated to this reaction ?
A) dehydration synthesis
B) anabolic reaction
C) energy consummation
D) enzyme activity
E) reaction occurring in parallel to the synthesis of DNA
14-If a protein has 40 aminoacids, how many RNA nucleotides would be required for protein synthesis?
A) 40 B) 80 C) 120 D) 160 E) 200
15- A "mirror image" copy of a gene.
A. Transfer Rna (Trna)
B. Messenger Rna (Mrna)
C. Ribosome
D. Rna Polymerase
E. Gene
16- A sequence of nucleic acid, such as DNA,
that codes for a protein.
A. Transfer Rna (Trna)
B. Messenger Rna (Mrna)
C. Ribosome
D. Rna Polymerase
E. Gene
17- Carries amino acids to the ribosome; contains
anticodons.
A. Transfer Rna (Trna)
B. Messenger Rna (Mrna)
C. Ribosome
D. Rna Polymerase
E. Gene
18- A "mirror image" copy of a gene.
A. Transfer Rna (Trna)
B. Messenger Rna (Mrna)
C. Ribosome
D. Rna Polymerase
E. Gene
19- m-RNA moves from the nucleus to the cytoplasm in eucaryotes by passing through
A.Flagella B.Endoplasmic Reticulum
C.Golgi Material D.Nuclear Pores